-
Goode Noble posted an update 13 days ago
006), respectively. Kaplan-Meier analysis showed significantly lower survival in patients with LVSWi ≤24.8 g/m-1/m2 (20.0% vs 39.4%; log-rank p = 0.038) and in patients with RVSWi ≤8.3 g/m-1/m2 (22.1% vs 43.7%; log-rank p = 0.026), respectively. LVSWi of ≤24.8 g/m-1/m2 and RVSWi of ≤8.3 g/m-1/m2 were independent predictors for all-cause mortality (hazard ratio (HR) 2.83; 95% confidence interval (CI) 1.1 to 7.6; p = 0.04; HR 2.52; 95% CI 1.04 to 6.1; p = 0.041). A risk-score incorporating LVSWi and RVSWi cut-off values from ROC analysis powerfully predicts long-term survival after successful TMVR (log-rank p = 0.02). In conclusion, LVSWi and RVSWi independently predict mortality in patients with CHF undergoing TMVR and might be useful in risk stratification of TMVR candidates.It is unclear whether all animal models of anxiety-like states developed using males are appropriate for use in females. In females, tests involving a learning component might be influenced not only by estrous cycle stage on the test day but also by the stage during the conditioning process. We used two tests – conditioned freezing (CF) and fear potentiated startle (FPS) to compare responsiveness of male rats and females conditioned and/or tested in proestrus (P) or late diestrus (LD). For CF all rats displayed a similar freezing response regardless of sex or estrous cycle stage. In terms of FPS, males and females conditioned in P and tested in P or LD, and females conditioned in LD and tested in LD all showed potentiated startle. The response waned during the test session in males and in females conditioned in P, but not in those conditioned in LD. In contrast, FPS was not apparent in the first half of the test session in females conditioned in LD and tested in P but developed in the second half. We suggest that fear learning during P and LD is robust but may be initially be obscured in rats tested in P because of generalization to the CS due to high estrogen. Estrous cycle stage is an important consideration which must be taken into account in designing behavioural tests in females.
Infections are a major cause of maternal mortality. C-reactive protein (CRP), a commonly-used inflammatory marker, is widely used to inform diagnosis, but the upper limit of normal in pregnancy is uncertain. We have defined trimester-specific reference intervals for CRP and evaluated their diagnostic accuracy for infection.
Development cohort longitudinal study of pregnant women to determine 95% reference intervals. Evaluation cohort diagnostic accuracy study to evaluate these intervals in 50 women with suspected intrauterine infection.
In these 322 healthy pregnant women, CRP was substantially higher than in most non-pregnant populations. CRP was similar in each trimester, with an upper reference limit of 19mg/L. CRP increased linearly with body mass index (p<0.0001). The sensitivity and specificity of CRP for diagnosing chorioamnionitis were 73% and 86%, respectively. The overall diagnostic accuracy using the pregnancy-specific reference interval was significantly better than that of the existing standard (p=0.03).
CRP is a widely-used clinical tool in pregnancy, and a pregnancy-specific reference interval should be used to optimise diagnostic accuracy. Chorioamnionitis was used as an example of a localised infection with well-defined outcomes, but pregnancy-specific RIs for CRP should be considered in any clinical setting including pregnant women.
CRP is a widely-used clinical tool in pregnancy, and a pregnancy-specific reference interval should be used to optimise diagnostic accuracy. Chorioamnionitis was used as an example of a localised infection with well-defined outcomes, but pregnancy-specific RIs for CRP should be considered in any clinical setting including pregnant women.Diabetic nephropathy is a major health challenge with considerable economic burden and significant impact on patients’ quality of life. Despite recent advances in diabetic patient care, current clinical practice guidelines fall short of halting the progression of diabetic nephropathy to end-stage renal disease. Moreover, prior literature reported manifestations of renal dysfunction in early stages of metabolic impairment prior to the development of hyperglycemia indicating the involvement of alternative pathological mechanisms apart from those typically triggered by high blood glucose. Here, we extend our prior research work implicating localized inflammation in specific adipose depots in initiating cardiovascular dysfunction in early stages of metabolic impairment. Non-obese prediabetic rats showed elevated glomerular filtration rates and mild proteinuria in absence of hyperglycemia, hypertension, and signs of systemic inflammation. Isolated perfused kidneys from these rats showed impaired renovascular endothelial feedback in response to vasopressors and increased flow. While endothelium dependent dilation remained functional, renovascular relaxation in prediabetic rats was not mediated by nitric oxide and prostaglandins as in control tissues, but rather an upregulation of the function of epoxy eicosatrienoic acids was observed. This was coupled with signs of peri-renal adipose tissue (PRAT) inflammation and renal structural damage. A two-week treatment with non-hypoglycemic doses of metformin or pioglitazone, shown previously to ameliorate adipose inflammation, not only reversed PRAT inflammation in prediabetic rats, but also reversed the observed functional, renovascular, and structural renal abnormalities. The present results suggest that peri-renal adipose inflammation triggers renal dysfunction early in the course of metabolic disease.Cancer immunotherapy (CIT) that targets the tumor immune microenvironment is regarded as a revolutionary advancement in the fight against cancer. The success and failure of CIT are due to the complexity of the immunosuppressive microenvironment. Cancer nanomedicine is a potential adjuvant therapeutic strategy for immune-based combination therapy. Exosomes are natural nanomaterials that play a pivotal role in mediating intercellular communications and package delivery in the tumor microenvironment. They affect the immune response or the effectiveness of immunotherapy. In particular, exosomal PD-L1 promotes cancer progression and resistance to immunotherapy. Exosomes possess high bioavailability, biological stability, targeting specificity, low toxicity, and immune characteristics, which indicate their potential for cancer therapy. selleck inhibitor They can be engineered to act as effective cancer therapeutic tools that activate anti-tumor immune response and start immune surveillance. In the current review, we introduce the role of exosomes in a tumor immune microenvironment, highlight the application of engineered exosomes to CIT, and discuss the challenges and prospects for clinical application.